Nirj was educated at St Joseph's Catholic College, Colombo and Loughborough University. He has been an aeronautical Engineer, Scientist and a Company Chairman and Director from 1997-99. He was a Member of Parliament, Brentford & Isleworth, from 1992-97.
He was PPS to Minister of State, Scottish Office, 1996-97. Since 1985, he has been a HM Deputy Lieutenant for the Lord Lieutenancy of London. He was Chairman of the Bow Group in 1981 and on the Council of the Royal Commonwealth Society from 1976-80. He was a Special Advisor for Ethnic Affairs to the Rt Hon Iain Duncan Smith MP.
His interests include voluntary work for St John's Ambulance Brigade and writing. He was born in 1948 and is married with one child.